<style>
	span{
		background:url(frame-upload.png) no-repeat center center ;
		width:397px;
		height:313px;
		position:relative;
	}
	img{
		position :absolute;
		max-width:364px;
		max-height:329px;
		margin:auto;
		left:0;
		right:0;
		top:0;
		bottom:0;
		z-index:-1;
	}
</style>

<span>
	<img src='background.png'></img>
</span>